20861764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67733}}^1$

素因数の和:67755

約数の個数: 24

約数和(自身を含む): 45517248

約数和(自身を除く): 24655484

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67733, 135466, 270932, 474131, 745063, 948262, 1490126, 1896524, 2980252, 5215441, 10430882, 20861764]

約数ペア:

[(1, 20861764), (2, 10430882), (4, 5215441), (7, 2980252), (11, 1896524), (14, 1490126), (22, 948262), (28, 745063), (44, 474131), (77, 270932), (154, 135466), (308, 67733)]